2024-12-30 / UCAC4 577-028197 / (31762) 1999 JB104
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Gerard VAUDESCAL |
O+ |
VID |
T250 |
FR |
GPS |
19:52:13 |
19:52:30.53 |
19:52:31.90 |
19:54:20 |
0.13 |
0.13 |
1.37 |
19.2 |
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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Occultation UUID [and DB] : db631c10-ddb5-11f0-547e-3f6e6e6b736e [observed]
Occultation Date + Time : 2024-12-30 at 19:46:46 UT +/- 0.0 min [1]
Object Designation : (31762) 1999 JB104
Orbit Class : MBA
Star Designation : GDR3 3431798445691855104
Star Coordinates (ICRF) : RA = 06 23 42.9397, DE = +25 15 22.171 [2]
Star Magnitudes : G = 13.12 mag, RP = 12.6 mag, BP = 13.46 mag
Object Magnitude : V = 16.52 mag
Estimated Magnitude Drop : 3.4 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 9.9 km (src: astorb)
Speed of the shadow : 14.0 km/s
Elongation to Moon & Sun : 176° (sunlit = 0%), Sun = 175°
Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#62
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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